查询词典 alcohol acid

Effects of catalyst use rate, microwave power, microwave irradiation time, and molar ratio of alcohol to acid were studied.

考察了催化剂的用量、微波功率、微波辐射时间、醇酸比对酯产率的影响。

According to the results and data reported, it was given that the catalysis activity of iodine in acid and alcohol esterfication is not high.

将实验结果与文献数据综合分析，得出了碘作为催化剂在酸醇直接酯化反应中的催化活性不高。

The present article investigated the application of acid protease in alcohol fermentation.

摘 要：探讨了酒用酸性蛋白酶在酒精发酵中的应用。

The routine method of determining amino acid nitrogen and alcohol degree in rice wine is complicated and time-consuming.

黄酒中氨基酸态氮和酒精度的常规测定方法步骤繁琐，时效性差。

In order to improve the conditions of synthesis, the effects of kinds of catalysts, mole ratio of alcohol and acid, reaction time were investigated by the variance analysis.

利用正交设计法，通过极差分析，探讨了催化剂种类、醇酸摩尔配比和酯化时间及它们之问的交互作用对酯的收率的影响。

Salts and formed from an organic acid and an alcohol.

酯一类有机化合物，相当于无机盐，是由一分子有机酸和一分子酒精构成的

Light black or black powder, water and alcohol insoluble, but acid soluble.

灰黑或黑色粉未，不溶于水、乙醇，溶于酸。

Any of a class of organic compounds corresponding to the inorganic salts and formed from an organic acid and an alcohol.

酯一类有机化合物，相当于无机盐，是由一分子有机酸和一分子

When alcohol and acid mixes, what organic material forms?

当酒精和酸混合，又生成哪种有机物呢？

Usually, the pigment is extracted by acid aqueous or alcohol solution and purified by different kinds of resins.

该色素主要采用酸性水溶液或醇溶液直接浸提，利用不同类型的树脂进一步去除杂质，得到色素产品。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。